diff --git a/configuration/sample-development.engine.ini b/configuration/sample-development.engine.ini
index f26b702f802111dc98c89ee7be27b4a018cb138a..eceff4e885582fb778bfa463b0e01fce12604d4c 100644
--- a/configuration/sample-development.engine.ini
+++ b/configuration/sample-development.engine.ini
@@ -139,8 +139,9 @@ daemonuser="engineuser"
 [socket]
 socketdir="/home/username/code/aura/engine/modules/liquidsoap"
 
-[audiofolder]
+[audiosources]
 audiofolder="var/audio/source"
+audio_source_extension=".flac"
 
 [fallback]
 # track_sensitive => fallback_folder track sensitivity
diff --git a/configuration/sample-docker.engine.ini b/configuration/sample-docker.engine.ini
index 1243e95d5f3949d68e7b3c6569c937b10493ab4b..3e937187fc5b9aef20124bc8c9bfa9fa194f2a76 100644
--- a/configuration/sample-docker.engine.ini
+++ b/configuration/sample-docker.engine.ini
@@ -137,8 +137,9 @@ daemonuser="engineuser"
 [socket]
 socketdir="/srv/modules/liquidsoap"
 
-[audiofolder]
-audiofolder="/var/audio/source"
+[audiosources]
+audiofolder="var/audio/source"
+audio_source_extension=".flac"
 
 [fallback]
 # track_sensitive => fallback_folder track sensitivity
diff --git a/configuration/sample-production.engine.ini b/configuration/sample-production.engine.ini
index deae1d77afb6d8f616d2df9fc428810e967edb07..b13a2c926c952c417a86e39ba8107e303f2fa0bf 100644
--- a/configuration/sample-production.engine.ini
+++ b/configuration/sample-production.engine.ini
@@ -137,8 +137,9 @@ daemonuser="engineuser"
 [socket]
 socketdir="/opt/aura/engine/modules/liquidsoap"
 
-[audiofolder]
-audiofolder="/var/audio/source"
+[audiosources]
+audiofolder="var/audio/source"
+audio_source_extension=".flac"
 
 [fallback]
 # track_sensitive => fallback_folder track sensitivity